Forgot password for voice mail how do i reset password my phone is asamsung sch-u340

do you mean change your speed dial number or the actual voice mail phone number?

I cant listen to voice mail with out pass code

Check out this link below to download a PDF manual, software, and more for your phone. Just copy and paste into your browser.

http://www.samsung.com/us/consumer/mobile/mobile-phones/more-carriers/SCH-U340ZBAUSC/index.idx?pagetype=prd_detail&tab=support

Setting Up Your Voice Mail from page 10 in your manual:
Voice mail allows callers to leave voice messages, which can be retrieved any time.

Note: Once your voice mail account has been set up, you can use the Voice Mail folder (under the Message menu) to view details of voice messages in your voice mail box.

1. In idle mode, press and hold the key or dial your own mobile number
to dial voice mail.

2. Follow the prompts in the new user tutorial to setup your mail box.

Listen to voice mail
1. In idle mode, press and hold the key or dial your own mobile number
to dial voice mail. After connecting, you will hear your voice greeting.
2. Interrupt your greeting by pressing .
3. You are then prompted to enter your password.

Hope this helps, let me know if I can help you with anything else. It would be very kind of you if this does work for you to please rate me or leave a short note. I would really appreciate it. Thank you for your time.
JimmyC

Reset Code for clearing user code : *2767*2878#
But it will also reset your details so try with on your own risk !

Best Regards

forgot lock code to sch-u340

last four numbers of your cell

call your carrier they can reset it for you.

Contact Samsung.com by e-mail and refer to the help area for solution.

is it not the last 4 of your phone number?

dial your cell phone's own number from the cell phone and menus will then guide you